The Schwinger Action Principle and Effective Action

DOI10.1017/CBO9780511585913zbMath1148.81003OpenAlexW1556645390MaRDI QIDQ5458673

David J. Toms

Publication date: 17 April 2008

Full work available at URL: https://doi.org/10.1017/cbo9780511585913

zbMATH Keywords

finite temperatureBose gasFermi gasaction principle in classical systemsaction principle in quantum systemseffective action in QFTinteracting scalar field

Mathematics Subject Classification ID

Model quantum field theories (81T10) Research exposition (monographs, survey articles) pertaining to quantum theory (81-02) Research exposition (monographs, survey articles) pertaining to statistical mechanics (82-02) Quantum equilibrium statistical mechanics (general) (82B10) Statistical mechanics of gases (82D05) Introductory exposition (textbooks, tutorial papers, etc.) pertaining to quantum theory (81-01)

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Novel principles and the charge-symmetric design of Dirac's quantum mechanics. I: Enhanced Eriksen's theorem and the universal charge-index formalism for Dirac's equation in (strong) external static fields ⋮ Emergent geometry, emergent forces ⋮ Some quantum symmetries and their breaking. I ⋮ Action, quantum computation and the structure of the Yang-Mills Lagrangian ⋮ Covariant differential identities and conservation laws in metric-torsion theories of gravitation. I. General consideration ⋮ Bose-Einstein condensation on a manifold with non-negative Ricci curvature ⋮ Boundary effects on Bose-Einstein condensation in ultra-static space-times ⋮ Revisiting vacuum energy in compact spacetimes ⋮ The Schwinger action principle for classical systems*

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